Recent price increases in the world¡¯s two largest economies have unnerved global markets, which have become accustomed to the low inflation ¡ª and even deflation ¡ª that has prevailed for decades.

But, at least in China, a little inflation would not be a bad thing.

In the United States, massive government spending during the COVID-19 crisis has raised fears of a financial reckoning, and recent price data are reinforcing these concerns.